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Add -f argument for sweep freq range

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This commit is contained in:
Mike Walters
2016-07-30 14:50:49 +01:00
parent df6a7986cf
commit 7935fc973f
1 changed files with 38 additions and 2 deletions
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40
host/hackrf-tools/src/hackrf_sweep.c
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@ -126,6 +126,25 @@ int parse_u32(char* s, uint32_t* const value) {
}
}
int parse_u32_range(char* s, uint32_t* const value_min, uint32_t* const value_max) {
int result;
char *sep = strchr(s, ':');
if (!sep)
return HACKRF_ERROR_INVALID_PARAM;
*sep = 0;
result = parse_u32(s, value_min);
if (result != HACKRF_SUCCESS)
return result;
result = parse_u32(sep + 1, value_max);
if (result != HACKRF_SUCCESS);
return result;
return HACKRF_SUCCESS;
}
volatile bool do_exit = false;
FILE* fd = NULL;
@ -140,6 +159,10 @@ uint32_t amp_enable;
bool antenna = false;
uint32_t antenna_enable;
bool freq_range = false;
uint32_t freq_min;
uint32_t freq_max;
int fftSize;
fftwf_complex *fftwIn = NULL;
fftwf_complex *fftwOut = NULL;
@ -208,6 +231,7 @@ static void usage() {
fprintf(stderr, "Usage:\n");
fprintf(stderr, "\t[-d serial_number] # Serial number of desired HackRF.\n");
fprintf(stderr, "\t[-a amp_enable] # RX/TX RF amplifier 1=Enable, 0=Disable.\n");
fprintf(stderr, "\t[-f freq_min:freq_max # Specify minimum & maximum sweep frequencies (MHz).\n");
fprintf(stderr, "\t[-p antenna_enable] # Antenna port power, 1=Enable, 0=Disable.\n");
fprintf(stderr, "\t[-l gain_db] # RX LNA (IF) gain, 0-40dB, 8dB steps\n");
fprintf(stderr, "\t[-g gain_db] # RX VGA (baseband) gain, 0-62dB, 2dB steps\n");
@ -243,7 +267,7 @@ int main(int argc, char** argv) {
float time_diff;
unsigned int lna_gain=8, vga_gain=20, txvga_gain=0;
while( (opt = getopt(argc, argv, "a:p:l:g:x:d:")) != EOF )
while( (opt = getopt(argc, argv, "a:f:p:l:g:x:d:")) != EOF )
{
result = HACKRF_SUCCESS;
switch( opt )
@ -257,6 +281,12 @@ int main(int argc, char** argv) {
result = parse_u32(optarg, &amp_enable);
break;
case 'f':
freq_range = true;
result = parse_u32_range(optarg, &freq_min, &freq_max);
fprintf(stderr, "Scanning %uMHz to %uMHz\n", freq_min, freq_max);
break;
case 'p':
antenna = true;
result = parse_u32(optarg, &antenna_enable);
@ -308,6 +338,12 @@ int main(int argc, char** argv) {
return EXIT_FAILURE;
}
}
if (!freq_range) {
fprintf(stderr, "argument error: must specify sweep frequency range (-f).\n");
usage();
return EXIT_FAILURE;
}
fftSize = 64;
fftwIn = (fftwf_complex*)fftwf_malloc(sizeof(fftwf_complex) * fftSize);
@ -382,7 +418,7 @@ int main(int argc, char** argv) {
}
/* DGS FIXME: allow upper and lower frequencies to be set */
result = hackrf_init_sweep(device, 50, 6000, 10);
result = hackrf_init_sweep(device, freq_min, freq_max, 20);
if( result != HACKRF_SUCCESS ) {
fprintf(stderr, "hackrf_init_scan() failed: %s (%d)\n",
hackrf_error_name(result), result);